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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 350 · 40 sums
TalentJR

The trick (Urdhva Tiryagbhyam): Top: multiply crosswise — first top × second bottom, then first bottom × second top — and add (or subtract). Bottom: multiply the two bottoms. Simplify by dividing top and bottom by their HCF. Give the answer as a fraction like 17/12.

NameDateTime takenScore ___ / 40
  1. 1.1/8 + 4/6 =
  2. 2.1/3 − 1/7 =
  3. 3.1/3 + 4/9 =
  4. 4.1/2 + 2/3 =
  5. 5.2/3 + 2/4 =
  6. 6.2/3 + 6/9 =
  7. 7.2/11 − 1/9 =
  8. 8.8/12 − 7/12 =
  9. 9.1/4 + 1/3 =
  10. 10.1/9 + 3/9 =
  11. 11.1/6 + 6/12 =
  12. 12.3/5 − 1/4 =
  13. 13.1/8 + 1/4 =
  14. 14.1/5 + 1/5 =
  15. 15.2/11 + 3/11 =
  16. 16.8/11 − 4/9 =
  17. 17.10/12 + 3/10 =
  18. 18.3/10 + 8/10 =
  19. 19.4/5 − 3/7 =
  20. 20.3/4 − 1/2 =
  21. 21.9/11 + 2/3 =
  22. 22.9/10 − 8/12 =
  23. 23.3/11 − 1/8 =
  24. 24.1/2 − 1/10 =
  25. 25.3/4 − 1/10 =
  26. 26.7/9 − 1/3 =
  27. 27.2/8 + 1/8 =
  28. 28.1/2 − 2/6 =
  29. 29.2/3 + 2/4 =
  30. 30.6/7 − 6/12 =
  31. 31.4/7 + 3/8 =
  32. 32.1/2 + 1/2 =
  33. 33.6/11 + 11/12 =
  34. 34.7/12 + 1/4 =
  35. 35.1/2 − 1/4 =
  36. 36.3/4 + 6/7 =
  37. 37.5/11 + 8/9 =
  38. 38.2/5 + 3/4 =
  39. 39.2/3 − 2/10 =
  40. 40.1/2 − 1/4 =

Answer key

  1. 19/24
  2. 4/21
  3. 7/9
  4. 7/6
  5. 7/6
  6. 4/3
  7. 7/99
  8. 1/12
  9. 7/12
  10. 4/9
  11. 2/3
  12. 7/20
  13. 3/8
  14. 2/5
  15. 5/11
  16. 28/99
  17. 17/15
  18. 11/10
  19. 13/35
  20. 1/4
  21. 49/33
  22. 7/30
  23. 13/88
  24. 2/5
  25. 13/20
  26. 4/9
  27. 3/8
  28. 1/6
  29. 7/6
  30. 5/14
  31. 53/56
  32. 1
  33. 193/132
  34. 5/6
  35. 1/4
  36. 45/28
  37. 133/99
  38. 23/20
  39. 7/15
  40. 1/4

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